2004.5–2010 Chevy/GMC LLY/LBZ/LMM Duramax Hood Stack Kit

Convert an LLY-, LBZ- or LMM-powered Chevrolet Silverado or GMC Sierra HD to a direct hood-exit exhaust with a handcrafted 3-inch stainless hood stack kit from TRUBLU FAB SHOP.

Construction

• 3-inch 304 stainless-steel tubing
• Hand TIG welded
• Back-purged during welding for clean, strong internal welds
• Fabricated in-house by TRUBLU FAB SHOP

Fitment

Designed for Chevrolet Silverado HD and GMC Sierra HD trucks equipped with an LLY, LBZ or LMM 6.6L Duramax. Confirm the engine code, turbo configuration and existing modifications on your truck before ordering.

Installation

Installation requires cutting the hood. Test-fit the complete pipe and verify the final outlet position before making any cuts. Modified turbo, intake or engine-bay configurations may require adjustment. Professional installation is recommended.

Important Notice

This competition-style exhaust component is intended only for applications and locations where its use is permitted. The purchaser is responsible for confirming compliance with applicable emissions, noise, inspection and road-use requirements.

Lead Time

This is a handcrafted product. Please allow the current posted fabrication lead time before shipment. Orders may be canceled within 24 hours of purchase; after that window, fabrication may have begun.